A4Tech RHP-5 User manual

Enjoy Hi-Fi music beyond boundary!
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User’s Guide

1
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE
FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE
AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
Federal Communications Commission Requirements
The equipment has been tested and found to comply with the limits for Class B Digital Device, pursuant to part 15 o
f
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction, may cause harmful interference to radio communication. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
 Reorient of relocate the receiving antenna.
 Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
 Consult the dealer or an experienced radio/TV technician for help.
The changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.

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Power Indicator
On/Off Switch
Charge Input
Volume Control
Stereo Indicator
Tune Wheel
INTRODUCTION
The 3D Stereo Wireless Headphone is of the latest
wireless technology. Its 2 Channel FM Stereo Technology
enables emitting signals travel easily through walls and
floors, delivering high-quality stereo sound effect.
No matter you are operating your computer, watching TV,
VCD, DVD, or enjoying any audio sound and music, this
wireless headphone is so convenient that you would love
to use it, even when you are working or doing exercise.
Try this fantastic 3D Stereo Wireless Headphone and set
yourself free to enjoy Music beyond boundary!
FEATURES
Transmitter:
●2 Channel FM Stereo Technology: CH1 and CH2
●Noise Filter Function
●Charge Output Jack for Headphone Charging
●Audio-In Jack for Audio Cord connecting Audio Source
●Auto Power Off Function
●Power On Indicator: Green LED Light
Headphone Receiver:
●Self-Adjustable Headband for fitting
●Built-in Charging Capability
●Battery Indicator: Red LED Light
●Stereo Indicator: Red LED Light
●Tune Wheel for Best Channel Reception
●Power Indicator On/Off Switch
●Volume Control
HEADPHONE RECEIVER
INSTALLATION OF

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Power On Indicator
Green LED light
DC Jack
Char
g
e Output Jack
A
udio Cord
TRANSMITTER
1) Connect the supplied AC/DC power adapter to an
electrical power source or wall outlet.
2) Plug the AC/DC power Adapter into the DC jack
located on the rear of the transmitter.
3) Locate the audio cord connected at the rear of the
transmitter. The 3.5 mm plug provided can be used to
any audio source. For connection to RCA type phone
jacks located on the back of TV, VCD, DVD, use the
"Y" adapter that is included.
4) Insert the mini plug on the audio cord into the jack
on the adapter to convert the connector for this
application. Then insert the red and white RCA plug
ends into the equipment jacks marked "Audio Out " to
make the audio source connection.
AUTO POWER OFF FUNCTION
The transmitter will have its power automatically
cut off few minutes upon turning off the equipments.
INSTALLATION OF HEADPHONE RECEIVER
1) Open the battery compartment cover on the left
headphone
2) Insert two AAA size Ni-MH rechargeable batteries with
both battery’s positive(+) side located on same(top)
Position.
3) Replace the cover and your headphone is ready to use.
“Y” adapter“1/4” adapter

4
Battery Door
Charge
Out Port
Power Cord
For Charging
Charge In Port
Power On
Indicating
Light
“
Green
”
Battery
Indicating
Light
“
Red
”
HOW TO
CHARGE
●Connect the supplied power cord to the charge out port
located on the rear of the transmitter.
●Connect another end of the cord to the charge port
located
on the left
headphone rear side.
●Place the headphone receiver on the transmitter stand
at their correct position and ready to charge.
●Switch the headphone On/Off switch to Off to ensure
faster charging duration.
●Battery Indicating light “Red” on is a signal for low
battery and required charging.
●Battery Indicating light “Red” off is a signal for full
battery and ready to use.
OPERATION
●Turn on your audio source (computer or other audio
source) to which the transmitter is connected.
●Switch the ON/OFF switch on the headphone to ON.
●Power Indicator “Green” light on, the battery is on

5
use.
●Place the headphone on your head and adjust the headband
to comfortably fit your head and ears.
●Select a perfect Channel for reception: CH1 or CH2
●Tune the frequency adjustment control wheel located
on the right headphone’s rear part until the Stereo
Indicator with “Red” light on, Stereo sound is
available on its best reception.
●Tune the Volume Control to your desired listening
level.
●Switch the Noise Filter to ON to delete uneasy
noise.
SPECIFICATIONS
Transmitter:
Transmission Mode: UHF Stereo
Auto C u t - O f f T rans m i s s i o n
Char g i n g O u t put
Modu l a t i o n : FM Ste r e o
Power Supply: DC 12V 300mA
Power Consumption: 280mA (Included charge current)
Audio Input Plug: 3.5mm
Modulation Degree: 60±2 KHz (Condition: Audio Input
leve l : 8 0 0 m V rms at 1K H z )
Transmission Power: MAX: -5dBm
Auto Turn on Transmission Audio Level: Min 50mVrms
Frequency Channel 1: 912.525 MHz± 100KHz
Frequency Channel 2: 913.515 MHz± 100KHz
Transmission Band Width Range: 200KHz
Receiver:
Carrier Frequency: 912-914 MHz
Operating Voltage 1: 2.4V 2×AAA Ni-MH
Operating Voltage 2: 3.0V 2×AAA alkaline
Frequency Response: 20Hz – 20KHz
Signal Noise Ratio: ≧55 dB
Dist o r t i o n : 1.5%
Channel Separation: ≦3 0 d B
Operation Maximum: 50M (in open space w/o boundary)
NOTE: Changes or modifications not expressly approved
by the party responsible for compliance to the FCC Rules
could void the users authority to operate this equipment.

6
CHECK AND RESET
No Sound
Ensure the AC adapter is fully inserted into the AC outlet
and into the power connection input on the transmitter.
Ensure the headphone ON/OFF switch is in its ON position .
Headphone batteriesmay be toolow.Charge batteries.
Ensure the computer or other audio source is on and tuned
to a chan n e l w i th audio .
Adjust the volume control on the headphone to turn up
the v o l u m e .
The connected audio/video equipment is not playinq (CD,
Tape, etc.). Check the audio source.
Distortion
The volume of headphone is low, adjust the volume to your
liste n i n g l evel aga i n
Ensure the stereo indicator light is on. If not, adjust
the tuning control on the headphone until the indicator
light “ R e d ” i s on.
Headphone batteries may be too low. Charge the batteries
or replace with new ones if they do not charge
The headphone is too far from transmitter, move closer
The input level of the audio signal is too low. Turn up
the volume of the audio source equipment.
FCC Caution :To assure continued compliance, any changes or
modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate this
equipment. (Example - use only shielded interface cables when
connecting to computer or peripheral devices).